10201172423 has 12 divisors (see below), whose sum is σ = 11049854760. Its totient is φ = 9413385696.

The previous prime is 10201172413. The next prime is 10201172441. The reversal of 10201172423 is 32427110201.

It is not a de Polignac number, because 10201172423 - 2²⁰ = 10200123847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201172413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630665 + ... + 646637.

It is an arithmetic number, because the mean of its divisors is an integer number (920821230).

Almost surely, 2^10201172423 is an apocalyptic number.

10201172423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10201172423 is a deficient number, since it is larger than the sum of its proper divisors (848682337).

10201172423 is a wasteful number, since it uses less digits than its factorization.

10201172423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19778 (or 19765 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 10201172423 its reverse (32427110201), we get a palindrome (42628282624).

The spelling of 10201172423 in words is "ten billion, two hundred one million, one hundred seventy-two thousand, four hundred twenty-three".